||Average population (x 1000)|Live births|Deaths|Natural change|Crude birth rate (per 1000)|Crude death rate (per 1000)|Natural change (per 1000)|
|---|---|---|---|---|---|---|---|
|1970|38|761|299|462|20.0|7.9|12.2|
|1975|42|857|317|540|20.4|7.5|12.9|
|1980|46|996|333|663|21.7|7.2|14.4|
|1985|51|1 104|370|734|21.6|7.3|14.4|
|1990|51|842|360|482|16.4|7.0|9.4|
|1991|50|789|335|454|15.8|6.7|9.1|
|1992|48|692|401|291|14.4|8.3|6.0|
|1993|46|617|448|169|13.4|9.7|3.7|
|1994|44|585|518|67|13.3|11.8|1.5|
|1995|43|537|501|36|12.6|11.8|0.8|
|1996|42|486|441|45|11.7|10.6|1.1|
|1997|41|483|374|109|11.9|9.2|2.7|
|1998|40|498|368|130|12.6|9.3|3.3|
|1999|39|448|376|72|11.6|9.7|1.9|
|2000|38|460|438|22|12.0|11.4|0.6|
|2001|39|562|438|124|14.5|11.3|3.2|
|2002|39|608|397|211|15.5|10.1|5.4|
|2003|39|625|386|239|15.9|9.8|6.1|
|2004|39|637|345|292|16.5|8.9|7.6|
|2005|38|548|369|179|14.5|9.7|4.7|
|2006|37|540|347|193|14.5|9.3|5.2|

Question: how many years had more than 500 deaths but less than 502?
Answer: 1